Beijing, Nov. 16 -- The ninth batch of space science experiment samples, including four mice used in life-science tests, returned by the Shenzhou-21 spacecraft from the China Space Station on Friday, have been delivered to Chinese scientists early Saturday, Global Times learned from the Chinese Academy of Sciences (CAS).

The samples returned include life science, materials science, and combustion experiment samples involving 26 experimental projects, comprising nine types of life experiment samples, 32 types of materials experiment samples, and three types of combustion science specimens, with a total weight of approximately 46.67 kilograms, according to a CAS press release.

The mice were handled on-site after landing. Researchers will ...